<!doctype html>
<html>
<head>
	<title>canvas.js | basics (1)</title>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<script type="text/javascript" src="../../pattern/canvas.js"></script>
	<script>
		function setup(canvas) {
			// The setup() function is executed once, before the animation starts.
			// This is a good place to load images, or set the canvas size.
			canvas.size(500, 500);
		}
		function draw(canvas) {
			// The draw() function is executed each animation frame.
			// Call canvas.clear() to remove the previous frame.
			// Draw a red rotating rectangle.
			canvas.clear();
			translate(250, 250);
			rotate(canvas.frame);
			rect(-150, -150, 300, 300, {fill: color(1,0,0,1)});
		}
		window.onload = function() {
			// Attach setup() and draw() to the <canvas> and start the animation.
			// In the next example we'll see a shorter syntax,
			// where this is done automatically for you.
			canvas = new Canvas(document.getElementById("canvas1"));
			canvas.setup = setup;
			canvas.draw = draw;
			canvas.run();
		}
	</script>
</head>
<body>
	<!-- The HTML <canvas> element targeted by the Canvas object above. -->
	<canvas id="canvas1" width="500px" height="500px"></canvas>
</body>
</html>